Within-family influences on dimensional neurobehavioral traits in a high-risk genetic model.

Phenotypic impact of parental scores within families Within-family analyses showed highly significant correlations between proband and parental values for each of the three IQ parameters ( Table 1 , Figs 1 and 2 ), with effects evident within both the non-psychotic and schizophrenia subgroups (online Supplementary Table 1).

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